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    Craftsman LT2000 2013 with Briggs 331977-0008 Intek 540cc engine, carburetor pulsating

    Thanks again Auto Doc for your response, I'm going to try some B-12 Chemtool spray tomorrow and do a deeper cleaning. When you say choke it with a rag, I'm assuming you mean block the airflow momentarily? (Not sure if that even applies now since you have seen the video). I have a Nikki...
  2. 1

    Craftsman LT2000 2013 with Briggs 331977-0008 Intek 540cc engine, carburetor pulsating

    Here is a YouTube video I made today of the engine:
  3. 1

    Craftsman LT2000 2013 with Briggs 331977-0008 Intek 540cc engine, carburetor pulsating

    It currently has about a half a tank of gas I bought a couple of days ago, with no additives. I took the carburetor apart and cleaned out the bowl, which had bad smelling old gas with a greenish color and green deposits on the bottom of the bowl. I scrubed the bowl out with a steel brush and...
  4. 1

    Craftsman LT2000 2013 with Briggs 331977-0008 Intek 540cc engine, carburetor pulsating

    I have had it sitting in my garage for three years, stopped using it because I noticed the pulsating / surging and never had it fixed. Just changed oil, oil filter, gas filter, flushed gas tank and cleaned carburetor. It has brand new gas as well as battery, spark plug and fuse holder. I can...
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